package io02;

import java.io.*;

public class BRDemo {
    public static void main(String[] args) throws IOException {
        //文件流(字节流，低级流)
        FileInputStream fis = new FileInputStream("pw.txt");
        //转换流(字符流，高级流)
        InputStreamReader isr = new InputStreamReader(fis);
        //缓冲字符流(字符流，高级流)
        BufferedReader br = new BufferedReader(isr);
        String line;
        while ((line = br.readLine())!=null){
            System.out.println(line);//换行输出
            //System.out.print(line);//没有换行输出
        }
        br.close();
    }
}
